OpenTechnical

OT-2026-000059541

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000059541) never changes.

Identity and time

Publication numberOT-2026-000059541 · never reused
Internal UUID01a0ae89-ec23-7dd4-9020-8c7532927567 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059541
StatusPUBLIC

Content hashes

Canonical textfb90c65aa82f5445612a847cf74f5d9cd8c6f68492a659e2ab2319f52426188b
Markdown8dcdb3b489bb6bbf5fffb72869808f1faf79b9cc40768b76b17cd0ac5cc89586
PDF
Publication page64adb6b3fec8cbd30066ab2c994a8825ea3950a33d699c8fdba94d32f8d17f08
Manifeste13e5fb96e2f7d7714bcd60b0f290328b1a60538f7c7391ef83dcdc819102f5c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturetvTYARMjLeX7jfaysww7Doc4Av9+LPgaG5/r9t1fyWVuymyjAC9BKxZRz6d0nbvI3jZOZBCh94HFoJYzzSubBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:10.312879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059541
observed 64adb6b3fec8cbd30066ab2c994a8825...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:10.284009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059541/manifest.json
observed e13e5fb96e2f7d7714bcd60b0f290328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:10.247942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059541/publication.md
observed 8dcdb3b489bb6bbf5fffb72869808f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:10.221118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059541/publication.txt
observed fb90c65aa82f5445612a847cf74f5d9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.